David livingstone and southern africa's first recorded cases of sickle-cell anaemia?
D000349:Africa; D000755:Anemia, Sickle Cell / Q000266:history*; D018595:Colonialism / Q000266:history*; D049672:History, 19th Century; D008921:Religious Missions / Q000266:history*; D014195:Travel / Q000266:history*; D006113:United Kingdom